diff options
Diffstat (limited to 'src/3rdparty/pcre/pcre_get.c')
| -rw-r--r-- | src/3rdparty/pcre/pcre_get.c | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/src/3rdparty/pcre/pcre_get.c b/src/3rdparty/pcre/pcre_get.c index 8094b34bbf..cdd2abc80f 100644 --- a/src/3rdparty/pcre/pcre_get.c +++ b/src/3rdparty/pcre/pcre_get.c @@ -250,6 +250,7 @@ Arguments: code the compiled regex stringname the name of the capturing substring ovector the vector of matched substrings + stringcount number of captured substrings Returns: the number of the first that is set, or the number of the last one if none are set, @@ -258,13 +259,16 @@ Returns: the number of the first that is set, #if defined COMPILE_PCRE8 static int -get_first_set(const pcre *code, const char *stringname, int *ovector) +get_first_set(const pcre *code, const char *stringname, int *ovector, + int stringcount) #elif defined COMPILE_PCRE16 static int -get_first_set(const pcre16 *code, PCRE_SPTR16 stringname, int *ovector) +get_first_set(const pcre16 *code, PCRE_SPTR16 stringname, int *ovector, + int stringcount) #elif defined COMPILE_PCRE32 static int -get_first_set(const pcre32 *code, PCRE_SPTR32 stringname, int *ovector) +get_first_set(const pcre32 *code, PCRE_SPTR32 stringname, int *ovector, + int stringcount) #endif { const REAL_PCRE *re = (const REAL_PCRE *)code; @@ -295,7 +299,7 @@ if (entrysize <= 0) return entrysize; for (entry = (pcre_uchar *)first; entry <= (pcre_uchar *)last; entry += entrysize) { int n = GET2(entry, 0); - if (ovector[n*2] >= 0) return n; + if (n < stringcount && ovector[n*2] >= 0) return n; } return GET2(entry, 0); } @@ -402,7 +406,7 @@ pcre32_copy_named_substring(const pcre32 *code, PCRE_SPTR32 subject, PCRE_UCHAR32 *buffer, int size) #endif { -int n = get_first_set(code, stringname, ovector); +int n = get_first_set(code, stringname, ovector, stringcount); if (n <= 0) return n; #if defined COMPILE_PCRE8 return pcre_copy_substring(subject, ovector, stringcount, n, buffer, size); @@ -457,7 +461,10 @@ pcre_uchar **stringlist; pcre_uchar *p; for (i = 0; i < double_count; i += 2) - size += sizeof(pcre_uchar *) + IN_UCHARS(ovector[i+1] - ovector[i] + 1); + { + size += sizeof(pcre_uchar *) + IN_UCHARS(1); + if (ovector[i+1] > ovector[i]) size += IN_UCHARS(ovector[i+1] - ovector[i]); + } stringlist = (pcre_uchar **)(PUBL(malloc))(size); if (stringlist == NULL) return PCRE_ERROR_NOMEMORY; @@ -473,7 +480,7 @@ p = (pcre_uchar *)(stringlist + stringcount + 1); for (i = 0; i < double_count; i += 2) { - int len = ovector[i+1] - ovector[i]; + int len = (ovector[i+1] > ovector[i])? (ovector[i+1] - ovector[i]) : 0; memcpy(p, subject + ovector[i], IN_UCHARS(len)); *stringlist++ = p; p += len; @@ -619,7 +626,7 @@ pcre32_get_named_substring(const pcre32 *code, PCRE_SPTR32 subject, PCRE_SPTR32 *stringptr) #endif { -int n = get_first_set(code, stringname, ovector); +int n = get_first_set(code, stringname, ovector, stringcount); if (n <= 0) return n; #if defined COMPILE_PCRE8 return pcre_get_substring(subject, ovector, stringcount, n, stringptr); |